Internship - Junior Software Engineer C++

Job Description

At Nokia, our engineering teams are at the forefront of innovation, developing cutting-edge software functionalities for 5G and 6G telecom products. As an intern, you’ll have the opportunity to contribute to the full software development lifecycle — from specifications and coding to testing and validation — playing a hands-on role in building the future of mobile networks.

As part of a global Development Unit with over 1300 engineers across multiple continents, you’ll work in one of our 7 agile R&D Tribes. Specifically, you’ll be based in our Timisoara Tribe, embedded in a Squad of 15 highly motivated engineers. Our working culture emphasizes teamwork, continuous improvement, and agile delivery of the most relevant and impactful features.

This is a great opportunity to gain real-world experience, work with modern technologies, and grow alongside an international team of experts shaping the future of telecommunications.

Position: Software Engineer trainee

Duration: Part-time 6h/day

Location: Hybrid in Timisoara, Romania

How You Will Contribute And What You Will Learn

• Design, develop, and maintain high-performance C++ software components, writing clean and efficient code aligned with modern C++ standards
• Participate in Agile/Scrum development, contributing to system design discussions, architectural decisions, and regular code reviews
• Debug and troubleshoot complex issues, optimizing performance and memory usage in multithreaded or distributed environments
• Implement and maintain unit and integration tests, ensuring software quality, reliability, and smooth CI/CD workflows
• Collaborate closely with cross-functional teams (QA, Integration, System Design) and stay up to date with modern C++ practices, proposing continuous improvements
  
  

Key Skills And Experience

You must have:

• Active Bachelor’s or Master’s student in Computer Science, Electronics, or a related technical field
• Good knowledge of modern C++ (C++17+), OOP, templates, and STL
• Basic experience in software development, debugging, and fundamental multithreading/memory management concepts
• Comfortable working in Linux and familiar with tools like Git/Gerrit, CMake/Make, and unit testing frameworks
• Fluent in English; knowledge of telecom protocols, networking (TCP/UDP/IP), or 5G/cloud-native concepts is a plus
  
  

Nice to have:

• Basic understanding of AI/ML concepts and how they can be applied in automation, analytics, or software optimization
• Strong problem-solving and analytical thinking skills
• Ability to work effectively in collaborative Agile teams
  
  

About Us

Advancing connectivity to secure a brighter world.

Nokia is a global leader in connectivity for the AI era. With expertise across fixed, mobile and transport networks, powered by the innovation of Nokia Bell Labs, we’re advancing connectivity to secure a brighter world.

Learn more about life at Nokia .

About The Business Group

Join Mobile Networks (MN) and help us become the trusted partner of choice for Communications Service Providers (CSPs), as well as for non-CSP entities in sectors like utilities, transportation, public services, and defense. Your work will contribute to delivering unbeatable customer experiences in wireless connectivity.

In MN RAN R&D Unit we focus on the research and development of Radio Access Network (RAN) technologies for mobile networks. This includes developing and improving technologies like 2G, 3G, 4G, 5G and 6G, as well as future wireless standards. With global experts and diverse career paths, you’ll grow your skills, lead breakthrough projects, and shape the future of wireless technology.

Our recruitment process

We act inclusively and respect the uniqueness of people. Our employment decisions are made regardless of race, color, national or ethnic origin, religion, gender, sexual orientation, gender identity or expression, age, marital status, disability, protected veteran status or other characteristics protected by law. We are committed to a culture of inclusion built upon our core value of respect.

If you’re interested in this role but don’t meet every listed requirement, we still encourage you to apply. Unique backgrounds, perspectives, and experiences enrich our teams, and you may be just the right candidate for this or another opportunity.

The length of the recruitment process may vary depending on the specific role's requirements. We strive to ensure a smooth and inclusive experience for all candidates. Discover more about the recruitment process at Nokia .

About The Team

Some of our benefits for trainees in Romania :

• Flexible and hybrid working schemes
• Private health and life insurance and annual reimbursement for dental/eyeglasses/lenses costs
• Paid vacation (24+ days) and 2 annual bonuses (Christmas and Easter)
• Sports, wellness, and culture reimbursements, including monthly support for activities, kindergarten, and after-school expenses
• Meal tickets and reimbursement for transportation for daily commute
• Referral bonus for referring qualified candidates
• 24+ paid vacation days and two annual bonuses (Christmas, and Easter)
• Well-being programs to support your mental and physical health
• Opportunities to join and receive support from Nokia Employee Resource Groups (NERGs)
• Employee Growth Solutions to support your development, as well as access to diverse pool of Coaches & Mentors